tetiana anderson for cbs news western morning. >>> connecticut's gun sales shot up. >> reporter: at gun shows people stood in line hoping to get they are hands on the military style rifle used in the newtown, connecticut, school shooting, the ar-15. there's been a run on ar-15's at gun stores too. rick friedman owns rtft in randolph, new jersey. >> i normally sell 15 or 20 a month. i've sold 30 in the last three days. >> reporter: the reason, he says, is clear. >> because people want to make sure they can own them legally before they have that right taken away. >> reporter: the white house said after the newtown shooting that president obama supports a ban on assault weapons proposed by california democratic senator dianne feinstein. getting it through congress quickly is highly unlikely, but the mere mention of a ban is enough to send sales soaring and, it's not just guns. brownells said it recently sold more than three and a half years worth of ar-15 magazines in three days. even before newtown, sales of guns and ammunition this year were surging. fbi background checks of potential gu